Describing configurations of software experiments as Linked Data

Describing configurations
of software experiments
as Linked Data
Joachim Van Herwegen, Ruben Taelman, Sarven Capadisli, Ruben Verborgh
https://linkedsoftwaredependencies.org/articles/describing-experiments/

Why write research articles?
We want other researchers…
2

…to re-use our data.
…to re-use our software.
…to build upon our results.
3

…to re-use our data.
…to re-use our software.
…to build upon our results.
4

Paper evaluation (2014)
“We provide all source code of the implementations, as
well as the full benchmark configuration, at
http://example.com.”
5

6

“… is compared to Virtuoso (6.1.8 and 7.1.1) and Jena
Fuseki (TDB 1.0.1 and HDT 1.1.1).”
7

8

https://github.com/LinkedDataFragments/.”
9

Improved evaluation description
Exact and complete description of the setup
10

… using Linked Data
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… using Linked Data
… for automatic instantiation.
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Describing configurations as Linked Data
Interlinking software modules
Instantiating software components
Updated evaluation
13

Updated evaluation
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Which software modules were used?
Which evaluations made use of this module?
Which other modules depend on this module?
15

Node Package Manager (npm)
Package manager for JavaScript
16

17
http://www.modulecounts.com

Convert to
Linked Data
18
http://www.modulecounts.com

Package.json
{
"name": "ldf-server",
"version": "2.2.2",
"license": "MIT",
"repository": {
"type": "git",
"url": "git@github.com:LinkedDataFragments/Server.js.git"
},
"bugs": {
"url": "https://github.com/LinkedDataFragments/Server.js/issues"
},
"dependencies": {
"asynciterator": "^1.1.0",
"jsonld": "^0.4.11",
"lodash": "^2.4.2"
}
}
19

Package.json
{
"name": "ldf-server",
"version": "2.2.2",
"license": "MIT",
"repository": {
"type": "git",
"url": "git@github.com:LinkedDataFragments/Server.js.git"
},
"bugs": {
"url": "https://github.com/LinkedDataFragments/Server.js/issues"
},
"dependencies": {
"asynciterator": "^1.1.0",
"jsonld": "^0.4.11",
"lodash": "^2.4.2"
}
}
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Package.jsonld
Convert JSON to JSON-LD to generate Linked Data
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Package.jsonld
Convert JSON to JSON-LD to generate Linked Data
ldf-server:2.2.2 a doap:Version ;
doap:name "ldf-server" ;
doap:revision "2.2.2" ;
spdx:licenseDeclared spdx:MIT ;
doap:repository <git+ssh://git@github.com/…/Server.js.git> ;
npm:dependency asynciterator:^1.1.0 ;
npm:dependency jsonld:^0.4.11 ;
npm:dependency lodash:^2.4.2 .
<git+ssh://git@github.com/…/Server.js.git> a doap:GitRepository .
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Updated evaluation
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LDF Server
"datasources": {
"dbpedia": {
"title": "DBpedia 2014",
"type": "HdtDatasource"
"settings": { "file": "data/dbpedia2014.hdt" }
}
}
24

LDF Server
"datasources": {
"dbpedia": {
"title": "DBpedia 2014",
"type": "HdtDatasource"
"settings": { "file": "data/dbpedia2014.hdt" }
}
}
JSON  JSON-LD
ex:myServer ldfs:datasource ex:MyHdtDataSource
ex:MyHdtDataSource a ldfs:DatasourceHdt;
rdfs:label "DBpedia 2014";
ldfs:hdtFile "data/dbpedia2014.hdt".
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Components.js
Instantiation framework that interprets this config
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Components.js
Instantiation framework that interprets this config
How?
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Component description
ldfs:DatasourceHdt a oo:Class ;
rdfs:subClassOf ldfs:Datasource ;
oo:componentPath "datasources.HdtDatasource" ;
oo:parameter ldfs:hdtFile ;
oo:constructorArguments ([
rdfs:subclassOf ldfs:DatasourceConstructor ;
om:field [ om:fieldName "file" ;
om:fieldValue ldfs:hdtFile ]
]) .
ldfs:hdtFile rdfs:range xsd:string .
30

]) .
31
class DatasourceHdt extends Datasource {
file: string;
constructor (input) {
super(input);
this.file = file;
}
}

]) .
External file  can be written for existing code
32
class DatasourceHdt extends Datasource {
file: string;
constructor (input) {
super(input);
this.file = file;
}
}

Components.js
Allows users to fully set up the same system by
providing a URI to a config
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Updated evaluation
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Updated evaluation
Describe steps using RDFa in HTML paper.
Link to exact versions of all modules used.
Link to RDF config file.
Link to exact evaluation results.
35

Updated evaluation
“5. Install the server software configuration,
implementing the TPF specification, with its
dependencies on the server.”
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Updated evaluation
ldf:experiment npm:engine node:v6.8.1, npmv:4.2.0;
doap:name "ldf-server";
doap:revision "2.2.1";
doc:dependsOn strftime:0.6.2;
doc:dependsOn asynciterator:1.1.0.
strftime:0.6.2 doap:revision "0.6.2"; doap:name "strftime".
asynciterator:1.1.0 doap:revision "1.1.0"; doap:name "asynciterator".
…
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Updated evaluation
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Updated evaluation
ex:myServer ldfs:datasource ex:MyCustomDataSource
ex:MyCustomDataSource a ex:CustomDatasource;
ex:Uri "http://example.com/custom";
ex:samples 5.
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Conclusion
Interlinking research allows for…
40

Conclusion
Interlinking research allows for…
… better reproducability.
… better re-use.
… better research.
41

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